{"id":"vidhyamitra:city-day:guruvayur:2026-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/guruvayur/2026-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-09-12","date_display":"September 12, 2026 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":2026,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461295.770833,"kali_year":5128,"ahargana":1872830.2708,"sun":{"sidereal_longitude":144.3001,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":157.5238,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.2237,"elapsed_within_tithi_degrees":1.2237},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.5238,"elapsed_within_degrees":10.8571},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.8239},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2026,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461295.770833,"ahargana":1872830.2708,"kali_year":5128,"ayanamsa_lahiri":24.2259,"grahas":{"sun":{"sidereal_longitude":145.083959,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":156.38545899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-2.1857},"mars":{"sidereal_longitude":85.74285900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":157.60325899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":111.53935899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":186.57405900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":348.804559,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":308.4396,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":128.4396,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461295.770833,"kali_year":5128,"ahargana":1872830.2708,"sun":{"sidereal_longitude":144.3001,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":157.5238,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.2237,"elapsed_within_tithi_degrees":1.2237},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.5238,"elapsed_within_degrees":10.8571},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.8239},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.186,"elongation":13.224},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.186,"opposition_distance":166.776}},"eclipse_window_40days":[{"offset_days":-15,"type":"lunar","occurs":true,"moon_latitude":-0.114,"opposition_distance":2.035},{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-1.193,"elongation":0.557}]},"city":{"slug":"guruvayur","name":"Guruvāyūr (Krishna)","lat":10.5942,"lon":76.0397,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"guruvayur","name":"Guruvāyūr (Krishna)","lat":10.5942,"lon":76.0397,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tirtha"},"sunriseLocal":"06:15","sunsetLocal":"18:28","solarNoonLocal":"12:21","dayLengthHours":12.219036210869064,"dayLengthDisplay":"12 Hours 13 Mins 09 Secs","nightLengthDisplay":"11 Hours 46 Mins 51 Secs","moonriseLocal":"07:04","moonsetLocal":"19:09","rahuKala":{"name":"Rāhu Kāla","start":"09:18","end":"10:50","startHours":9.302869021482977,"endHours":10.83024854784161,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:53","end":"15:25","startHours":13.885007600558875,"endHours":15.412387126917508,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:15","end":"07:47","startHours":6.248109968765711,"endHours":7.775489495124344,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:30","startHours":9.099218417968492,"endHours":9.50651962499746,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:05","startHours":6.757236477551921,"endHours":7.083077443175096,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:46","startHours":11.950326867171274,"endHours":12.764929281229211,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:26","startHours":4.618905140649836,"endHours":5.433507554707774,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:15","startHours":5.229856951193289,"endHours":6.248109968765711,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:13","startHours":14.394134109345085,"endHours":15.208736523403022,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.267146179634775,"endHours":18.667146179634774,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:59","startHours":18.467146179634774,"endHours":18.976272688420984,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.217146179634774,"endHours":19.967146179634774,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:46","startHours":23.950326867171274,"endHours":24.76492928122921,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:15","end":"07:47","startHours":6.248109968765711,"endHours":7.775489495124344,"quality":"inauspicious"},{"name":"Śubha","start":"07:47","end":"09:18","startHours":7.775489495124344,"endHours":9.302869021482977,"quality":"auspicious"},{"name":"Roga","start":"09:18","end":"10:50","startHours":9.302869021482977,"endHours":10.83024854784161,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:21","startHours":10.83024854784161,"endHours":12.357628074200242,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"13:53","startHours":12.357628074200242,"endHours":13.885007600558875,"quality":"neutral"},{"name":"Labha","start":"13:53","end":"15:25","startHours":13.885007600558875,"endHours":15.412387126917508,"quality":"auspicious"},{"name":"Amṛta","start":"15:25","end":"16:56","startHours":15.412387126917508,"endHours":16.93976665327614,"quality":"auspicious"},{"name":"Kāla","start":"16:56","end":"18:28","startHours":16.93976665327614,"endHours":18.467146179634774,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:28","end":"19:56","startHours":18.467146179634774,"endHours":19.93976665327614,"quality":"auspicious"},{"name":"Amṛta","start":"19:56","end":"21:25","startHours":19.93976665327614,"endHours":21.41238712691751,"quality":"auspicious"},{"name":"Kāla","start":"21:25","end":"22:53","startHours":21.41238712691751,"endHours":22.885007600558875,"quality":"inauspicious"},{"name":"Śubha","start":"22:53","end":"00:21","startHours":22.885007600558875,"endHours":24.357628074200242,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"01:50","startHours":24.357628074200242,"endHours":25.83024854784161,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:18","startHours":25.83024854784161,"endHours":27.302869021482977,"quality":"inauspicious"},{"name":"Chala","start":"03:18","end":"04:47","startHours":27.302869021482977,"endHours":28.775489495124344,"quality":"neutral"},{"name":"Labha","start":"04:47","end":"06:15","startHours":28.775489495124344,"endHours":30.24810996876571,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.248109968765711,"endHours":7.248109968765711,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.248109968765711,"endHours":8.24810996876571,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.24810996876571,"endHours":9.24810996876571,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.24810996876571,"endHours":10.24810996876571,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.24810996876571,"endHours":11.24810996876571,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.24810996876571,"endHours":12.24810996876571,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.24810996876571,"endHours":13.24810996876571,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.24810996876571,"endHours":14.24810996876571,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.24810996876571,"endHours":15.24810996876571,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.24810996876571,"endHours":16.24810996876571,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.24810996876571,"endHours":17.24810996876571,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.24810996876571,"endHours":18.24810996876571,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.24810996876571,"endHours":19.24810996876571,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.24810996876571,"endHours":20.24810996876571,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.24810996876571,"endHours":21.24810996876571,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.24810996876571,"endHours":22.24810996876571,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.24810996876571,"endHours":23.24810996876571,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.24810996876571,"endHours":24.24810996876571,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.24810996876571,"endHours":25.24810996876571,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.24810996876571,"endHours":26.24810996876571,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.24810996876571,"endHours":27.24810996876571,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.24810996876571,"endHours":28.24810996876571,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.24810996876571,"endHours":29.24810996876571,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.24810996876571,"endHours":30.24810996876571,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.231034740907788,"eotMinutes":4.383515547985428,"ayanamsa":24.2259}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[],"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":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"guruvayur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 12, 2026 CE · Guruvāyūr (Krishna) · Vidhyamitra","description":"September 12, 2026 CE for Guruvāyūr (Krishna): Śukla Dvitīyā, sūryodaya 06:15, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/guruvayur/2026-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/guruvayur/2026-09-12","sa":"https://sa.vidhyamitra.com/city/guruvayur/2026-09-12","hi":"https://hi.vidhyamitra.com/city/guruvayur/2026-09-12","x-default":"https://vidhyamitra.com/city/guruvayur/2026-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-19T01:27:35.242Z","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":"2026-08-19T01:27:35.242Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-19T01:27:35.242Z","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"}}}