{"id":"vidhyamitra:city-day:ahmedabad:2026-12-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ahmedabad/2026-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-12-27","date_display":"December 27, 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":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461401.770833,"kali_year":5128,"ahargana":1872936.2708,"sun":{"sidereal_longitude":250.7004,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":109.899,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.1987,"elapsed_within_tithi_degrees":3.1987},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":109.899,"elapsed_within_degrees":3.2324},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.5994},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461401.770833,"ahargana":1872936.2708,"kali_year":5128,"ayanamsa_lahiri":24.23,"grahas":{"sun":{"sidereal_longitude":251.04670899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":113.00300900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":1.0055},"mars":{"sidereal_longitude":134.546609,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":247.420209,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":122.25230900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":203.980009,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":343.993809,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":302.8232,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":122.8232,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"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":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461401.770833,"kali_year":5128,"ahargana":1872936.2708,"sun":{"sidereal_longitude":250.7004,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":109.899,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.1987,"elapsed_within_tithi_degrees":3.1987},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":109.899,"elapsed_within_degrees":3.2324},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.5994},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.005,"elongation":140.801},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.005,"opposition_distance":39.199}},"eclipse_window_40days":[]},"city":{"slug":"ahmedabad","name":"Ahmedabad, Gujarat","lat":23.0225,"lon":72.5714,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":53},"tier2":{"city":{"slug":"ahmedabad","name":"Ahmedabad, Gujarat","lat":23.0225,"lon":72.5714,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":53},"sunriseLocal":"07:19","sunsetLocal":"18:03","solarNoonLocal":"12:41","dayLengthHours":10.725339263117341,"dayLengthDisplay":"10 Hours 43 Mins 31 Secs","nightLengthDisplay":"13 Hours 16 Mins 29 Secs","moonriseLocal":"20:59","moonsetLocal":"09:59","rahuKala":{"name":"Rāhu Kāla","start":"16:42","end":"18:03","startHours":16.70765399225952,"endHours":18.048321400149188,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:41","end":"14:02","startHours":12.685651768590517,"endHours":14.026319176480184,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:22","end":"16:42","startHours":15.366986584369851,"endHours":16.70765399225952,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:50","end":"10:11","startHours":9.825561298425892,"endHours":10.18307260719647,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:03","startHours":7.7698712729950685,"endHours":8.05588032001153,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:03","startHours":12.32814045981994,"endHours":13.043163077361095,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:36","startHours":5.892936901949534,"endHours":6.60795951949069,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:19","startHours":6.429203865105401,"endHours":7.322982137031846,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:11","startHours":14.473208312443408,"endHours":15.188230929984563,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84832140014919,"endHours":18.248321400149187,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:30","startHours":18.048321400149188,"endHours":18.49521053611241,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.798321400149188,"endHours":19.548321400149188,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:03","startHours":24.328140459819938,"endHours":25.043163077361097,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:19","end":"08:40","startHours":7.322982137031846,"endHours":8.663649544921514,"quality":"inauspicious"},{"name":"Chala","start":"08:40","end":"10:00","startHours":8.663649544921514,"endHours":10.00431695281118,"quality":"neutral"},{"name":"Labha","start":"10:00","end":"11:21","startHours":10.00431695281118,"endHours":11.344984360700849,"quality":"auspicious"},{"name":"Amṛta","start":"11:21","end":"12:41","startHours":11.344984360700849,"endHours":12.685651768590517,"quality":"auspicious"},{"name":"Kāla","start":"12:41","end":"14:02","startHours":12.685651768590517,"endHours":14.026319176480184,"quality":"inauspicious"},{"name":"Śubha","start":"14:02","end":"15:22","startHours":14.026319176480184,"endHours":15.366986584369851,"quality":"auspicious"},{"name":"Roga","start":"15:22","end":"16:42","startHours":15.366986584369851,"endHours":16.70765399225952,"quality":"inauspicious"},{"name":"Udveg","start":"16:42","end":"18:03","startHours":16.70765399225952,"endHours":18.048321400149188,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:03","end":"19:42","startHours":18.048321400149188,"endHours":19.70765399225952,"quality":"auspicious"},{"name":"Roga","start":"19:42","end":"21:22","startHours":19.70765399225952,"endHours":21.366986584369855,"quality":"inauspicious"},{"name":"Udveg","start":"21:22","end":"23:02","startHours":21.366986584369855,"endHours":23.026319176480186,"quality":"inauspicious"},{"name":"Chala","start":"23:02","end":"00:41","startHours":23.026319176480186,"endHours":24.685651768590517,"quality":"neutral"},{"name":"Labha","start":"00:41","end":"02:21","startHours":24.685651768590517,"endHours":26.34498436070085,"quality":"auspicious"},{"name":"Amṛta","start":"02:21","end":"04:00","startHours":26.34498436070085,"endHours":28.00431695281118,"quality":"auspicious"},{"name":"Kāla","start":"04:00","end":"05:40","startHours":28.00431695281118,"endHours":29.663649544921515,"quality":"inauspicious"},{"name":"Śubha","start":"05:40","end":"07:19","startHours":29.663649544921515,"endHours":31.322982137031847,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.322982137031846,"endHours":8.322982137031847,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.322982137031847,"endHours":9.322982137031847,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.322982137031847,"endHours":10.322982137031847,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.322982137031847,"endHours":11.322982137031847,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.322982137031847,"endHours":12.322982137031847,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.322982137031847,"endHours":13.322982137031847,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.322982137031847,"endHours":14.322982137031847,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.322982137031847,"endHours":15.322982137031847,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.322982137031847,"endHours":16.322982137031847,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.322982137031847,"endHours":17.322982137031847,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.322982137031847,"endHours":18.322982137031847,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.322982137031847,"endHours":19.322982137031847,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.322982137031847,"endHours":20.322982137031847,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.322982137031847,"endHours":21.322982137031847,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.322982137031847,"endHours":22.322982137031847,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.322982137031847,"endHours":23.322982137031847,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.322982137031847,"endHours":24.322982137031847,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.322982137031847,"endHours":25.322982137031847,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.322982137031847,"endHours":26.322982137031847,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.322982137031847,"endHours":27.322982137031847,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.322982137031847,"endHours":28.322982137031847,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.322982137031847,"endHours":29.322982137031847,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.322982137031847,"endHours":30.322982137031847,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.322982137031847,"endHours":31.322982137031847,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.331284825525426,"eotMinutes":-1.4247061154310068,"ayanamsa":24.23}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Dedicated festival walk for Saṅkaṣṭī Caturthī is not live yet; Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ahmedabad"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 27, 2026 CE · Ahmedabad, Gujarat · Vidhyamitra","description":"December 27, 2026 CE for Ahmedabad, Gujarat: Kṛṣṇa Caturthī, sūryodaya 07:19, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ahmedabad/2026-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ahmedabad/2026-12-27","sa":"https://sa.vidhyamitra.com/city/ahmedabad/2026-12-27","hi":"https://hi.vidhyamitra.com/city/ahmedabad/2026-12-27","x-default":"https://vidhyamitra.com/city/ahmedabad/2026-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-27T10:20:17.233Z","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":"2026-08-27T10:20:17.233Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-27T10:20:17.233Z","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"}}}