{"id":"vidhyamitra:city-day:somnath:2011-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/somnath/2011-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-08-13","date_display":"August 13, 2011 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455786.770833,"kali_year":5113,"ahargana":1867321.2708,"sun":{"sidereal_longitude":115.3316,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":288.0679,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.7363,"elapsed_within_tithi_degrees":4.7363},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":288.0679,"elapsed_within_degrees":8.0679},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.3995},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2011,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455786.770833,"ahargana":1867321.2708,"kali_year":5113,"ayanamsa_lahiri":24.0152,"grahas":{"sun":{"sidereal_longitude":115.959744,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":287.24024399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.3286},"mars":{"sidereal_longitude":72.190244,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":122.99344400000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":15.754443999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":114.85954400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":169.05774399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":240.3329,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":60.3329,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455786.770833,"kali_year":5113,"ahargana":1867321.2708,"sun":{"sidereal_longitude":115.3316,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":288.0679,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.7363,"elapsed_within_tithi_degrees":4.7363},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":288.0679,"elapsed_within_degrees":8.0679},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.3995},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.329,"elongation":172.736},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.329,"opposition_distance":7.264}},"eclipse_window_40days":[]},"city":{"slug":"somnath","name":"Somnāth","lat":20.888,"lon":70.4017,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"somnath","name":"Somnāth","lat":20.888,"lon":70.4017,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"06:26","sunsetLocal":"19:20","solarNoonLocal":"12:53","dayLengthHours":12.896412518127553,"dayLengthDisplay":"12 Hours 53 Mins 47 Secs","nightLengthDisplay":"11 Hours 06 Mins 13 Secs","moonriseLocal":"18:43","moonsetLocal":"05:53","rahuKala":{"name":"Rāhu Kāla","start":"09:40","end":"11:16","startHours":9.658475549438371,"endHours":11.270527114204315,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:30","end":"16:06","startHours":14.494630243736204,"endHours":16.106681808502145,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:26","end":"08:03","startHours":6.434372419906483,"endHours":8.046423984672426,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:52","startHours":9.443535340802912,"endHours":9.873415758073829,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:19","startHours":6.9717229414951305,"endHours":7.315627275311865,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:27","end":"13:19","startHours":12.45269826169934,"endHours":13.312459096241177,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:34","startHours":4.714850750822809,"endHours":5.574611585364646,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:26","startHours":5.359671376729187,"endHours":6.434372419906483,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:02","end":"15:54","startHours":15.031980765324851,"endHours":15.891741599866688,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.130784938034036,"endHours":19.530784938034035,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:52","startHours":19.330784938034036,"endHours":19.868135459622685,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.080784938034036,"endHours":20.830784938034036,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:27","end":"01:19","startHours":24.45269826169934,"endHours":25.312459096241177,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:26","end":"08:03","startHours":6.434372419906483,"endHours":8.046423984672426,"quality":"inauspicious"},{"name":"Śubha","start":"08:03","end":"09:40","startHours":8.046423984672426,"endHours":9.658475549438371,"quality":"auspicious"},{"name":"Roga","start":"09:40","end":"11:16","startHours":9.658475549438371,"endHours":11.270527114204315,"quality":"inauspicious"},{"name":"Udveg","start":"11:16","end":"12:53","startHours":11.270527114204315,"endHours":12.882578678970258,"quality":"inauspicious"},{"name":"Chala","start":"12:53","end":"14:30","startHours":12.882578678970258,"endHours":14.494630243736204,"quality":"neutral"},{"name":"Labha","start":"14:30","end":"16:06","startHours":14.494630243736204,"endHours":16.106681808502145,"quality":"auspicious"},{"name":"Amṛta","start":"16:06","end":"17:43","startHours":16.106681808502145,"endHours":17.718733373268094,"quality":"auspicious"},{"name":"Kāla","start":"17:43","end":"19:20","startHours":17.718733373268094,"endHours":19.330784938034036,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:20","end":"20:43","startHours":19.330784938034036,"endHours":20.71873337326809,"quality":"auspicious"},{"name":"Amṛta","start":"20:43","end":"22:06","startHours":20.71873337326809,"endHours":22.10668180850215,"quality":"auspicious"},{"name":"Kāla","start":"22:06","end":"23:30","startHours":22.10668180850215,"endHours":23.494630243736204,"quality":"inauspicious"},{"name":"Śubha","start":"23:30","end":"00:53","startHours":23.494630243736204,"endHours":24.88257867897026,"quality":"auspicious"},{"name":"Roga","start":"00:53","end":"02:16","startHours":24.88257867897026,"endHours":26.270527114204313,"quality":"inauspicious"},{"name":"Udveg","start":"02:16","end":"03:40","startHours":26.270527114204313,"endHours":27.65847554943837,"quality":"inauspicious"},{"name":"Chala","start":"03:40","end":"05:03","startHours":27.65847554943837,"endHours":29.046423984672426,"quality":"neutral"},{"name":"Labha","start":"05:03","end":"06:26","startHours":29.046423984672426,"endHours":30.43437241990648,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.434372419906483,"endHours":7.434372419906483,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.434372419906483,"endHours":8.434372419906483,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.434372419906483,"endHours":9.434372419906483,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.434372419906483,"endHours":10.434372419906483,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.434372419906483,"endHours":11.434372419906483,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.434372419906483,"endHours":12.434372419906483,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.434372419906483,"endHours":13.434372419906483,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.434372419906483,"endHours":14.434372419906483,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.434372419906483,"endHours":15.434372419906483,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.434372419906483,"endHours":16.43437241990648,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.43437241990648,"endHours":17.43437241990648,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.43437241990648,"endHours":18.43437241990648,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.43437241990648,"endHours":19.43437241990648,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.43437241990648,"endHours":20.43437241990648,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.43437241990648,"endHours":21.43437241990648,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.43437241990648,"endHours":22.43437241990648,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.43437241990648,"endHours":23.43437241990648,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.43437241990648,"endHours":24.43437241990648,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.43437241990648,"endHours":25.43437241990648,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.43437241990648,"endHours":26.43437241990648,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.43437241990648,"endHours":27.43437241990648,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.43437241990648,"endHours":28.43437241990648,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.43437241990648,"endHours":29.43437241990648,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.43437241990648,"endHours":30.43437241990648,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.820443676261199,"eotMinutes":-4.561520738215509,"ayanamsa":24.0152}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pūrṇimā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"raksha-bandhana","name":"Rakṣā Bandhana / Śrāvaṇa Pūrṇimā","name_sanskrit":"रक्षा बन्धन","tradition":"Pan-Hindu","significance":"Sister-brother bond; Brāhmaṇa Upākarma.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":1},{"id":"jhulan-purnima","name":"Jhūlan Pūrṇimā (Rādhā-Krishna swing)","name_sanskrit":"झूलन पूर्णिमा","tradition":"Vaishnava","associated_deity":"Rādhā-Krishna","significance":"Rādhā-Krishna swing-līlā festival; Jhūlan-yātrā culmination.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-rigveda","name":"Ṛg-Veda Upākarman","name_sanskrit":"ऋग्वेद उपाकर्मन्","tradition":"Smarta","associated_deity":"Ṛṣi-paramparā","significance":"Annual renewal of Veda-svādhyāya for Ṛg-Vedīs. Śrāvaṇa Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-yajurveda","name":"Yajur-Veda Upākarman","name_sanskrit":"यजुर्वेद उपाकर्मन्","tradition":"Smarta","significance":"Annual renewal of Veda-svādhyāya for Yajur-Vedīs.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"hayagriva-jayanti","name":"Hayagrīva Jayantī","name_sanskrit":"हयग्रीव जयन्ती","tradition":"Vaishnava","associated_deity":"Hayagrīva (Knowledge-form of Bhagavān)","significance":"Bhagavān as Hayagrīva restored the Vedas to Brahmā. Vidyā-pradāyaka.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Devī-Bhāgavata, Hayagrīva-stotra"]}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Dedicated festival walk for Rakṣā Bandhana / Śrāvaṇa Pūrṇimā · Jhūlan Pūrṇimā (Rādhā-Krishna swing) · Ṛg-Veda Upākarman · Yajur-Veda Upākarman · Hayagrīva Jayantī is not live yet; Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"somnath"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 13, 2011 CE · Somnāth · Vidhyamitra","description":"August 13, 2011 CE for Somnāth: Śukla Pūrṇimā, sūryodaya 06:26, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/somnath/2011-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/somnath/2011-08-13","sa":"https://sa.vidhyamitra.com/city/somnath/2011-08-13","hi":"https://hi.vidhyamitra.com/city/somnath/2011-08-13","x-default":"https://vidhyamitra.com/city/somnath/2011-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-23T05:00:24.017Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-09-23T05:00:24.017Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-23T05:00:24.017Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}