{"id":"vidhyamitra:city-day:vellore:2001-02-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vellore/2001-02-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-02-27","date_display":"February 27, 2001 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":2001,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451967.770833,"kali_year":5102,"ahargana":1863502.2708,"sun":{"sidereal_longitude":314.7902,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":358.8047,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.0145,"elapsed_within_tithi_degrees":8.0145},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.8047,"elapsed_within_degrees":12.1381},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.595},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2001,"month":2,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451967.770833,"ahargana":1863502.2708,"kali_year":5102,"ayanamsa_lahiri":23.8692,"grahas":{"sun":{"sidereal_longitude":314.64545699999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":356.043557,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-4.4743},"mars":{"sidereal_longitude":222.325557,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":291.63055699999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":39.030257000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":352.005457,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":31.118656999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":82.6819,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":262.6819,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2001,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451967.770833,"kali_year":5102,"ahargana":1863502.2708,"sun":{"sidereal_longitude":314.7902,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":358.8047,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.0145,"elapsed_within_tithi_degrees":8.0145},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.8047,"elapsed_within_degrees":12.1381},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.595},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.474,"elongation":44.015},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.474,"opposition_distance":135.985}},"eclipse_window_40days":[]},"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:31","sunsetLocal":"18:23","solarNoonLocal":"12:27","dayLengthHours":11.85719503700691,"dayLengthDisplay":"11 Hours 51 Mins 26 Secs","nightLengthDisplay":"12 Hours 08 Mins 34 Secs","moonriseLocal":"09:03","moonsetLocal":"21:22","rahuKala":{"name":"Rāhu Kāla","start":"15:25","end":"16:54","startHours":15.41201595184047,"endHours":16.894165331466336,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:29","end":"10:58","startHours":9.483418433337015,"endHours":10.96556781296288,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:27","end":"13:56","startHours":12.447717192588744,"endHours":13.929866572214607,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:41","startHours":9.285798516053568,"endHours":9.681038350620463,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:20","startHours":7.013169467293909,"endHours":7.329361334947427,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:51","startHours":12.052477358021846,"endHours":12.842957027155641,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:44","startHours":4.9381603358177,"endHours":5.728640004951494,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:31","startHours":5.531020087668045,"endHours":6.519119674085288,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:13","startHours":14.423916365423228,"endHours":15.214396034557021,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.1763147110922,"endHours":18.5763147110922,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:52","startHours":18.3763147110922,"endHours":18.87036450430082,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.1263147110922,"endHours":19.8763147110922,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:51","startHours":24.052477358021846,"endHours":24.84295702715564,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:31","end":"08:00","startHours":6.519119674085288,"endHours":8.001269053711152,"quality":"inauspicious"},{"name":"Udveg","start":"08:00","end":"09:29","startHours":8.001269053711152,"endHours":9.483418433337015,"quality":"inauspicious"},{"name":"Chala","start":"09:29","end":"10:58","startHours":9.483418433337015,"endHours":10.96556781296288,"quality":"neutral"},{"name":"Labha","start":"10:58","end":"12:27","startHours":10.96556781296288,"endHours":12.447717192588744,"quality":"auspicious"},{"name":"Amṛta","start":"12:27","end":"13:56","startHours":12.447717192588744,"endHours":13.929866572214607,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:25","startHours":13.929866572214607,"endHours":15.41201595184047,"quality":"inauspicious"},{"name":"Śubha","start":"15:25","end":"16:54","startHours":15.41201595184047,"endHours":16.894165331466336,"quality":"auspicious"},{"name":"Roga","start":"16:54","end":"18:23","startHours":16.894165331466336,"endHours":18.3763147110922,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:23","end":"19:54","startHours":18.3763147110922,"endHours":19.894165331466336,"quality":"inauspicious"},{"name":"Śubha","start":"19:54","end":"21:25","startHours":19.894165331466336,"endHours":21.412015951840473,"quality":"auspicious"},{"name":"Roga","start":"21:25","end":"22:56","startHours":21.412015951840473,"endHours":22.929866572214607,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:27","startHours":22.929866572214607,"endHours":24.447717192588744,"quality":"inauspicious"},{"name":"Chala","start":"00:27","end":"01:58","startHours":24.447717192588744,"endHours":25.96556781296288,"quality":"neutral"},{"name":"Labha","start":"01:58","end":"03:29","startHours":25.96556781296288,"endHours":27.483418433337015,"quality":"auspicious"},{"name":"Amṛta","start":"03:29","end":"05:00","startHours":27.483418433337015,"endHours":29.00126905371115,"quality":"auspicious"},{"name":"Kāla","start":"05:00","end":"06:31","startHours":29.00126905371115,"endHours":30.51911967408529,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:31","end":"07:31","startHours":6.519119674085288,"endHours":7.519119674085288,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:31","end":"08:31","startHours":7.519119674085288,"endHours":8.519119674085289,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:31","end":"09:31","startHours":8.519119674085289,"endHours":9.519119674085289,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:31","end":"10:31","startHours":9.519119674085289,"endHours":10.519119674085289,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:31","end":"11:31","startHours":10.519119674085289,"endHours":11.519119674085289,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:31","end":"12:31","startHours":11.519119674085289,"endHours":12.519119674085289,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:31","end":"13:31","startHours":12.519119674085289,"endHours":13.519119674085289,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:31","end":"14:31","startHours":13.519119674085289,"endHours":14.519119674085289,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:31","end":"15:31","startHours":14.519119674085289,"endHours":15.519119674085289,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:31","end":"16:31","startHours":15.519119674085289,"endHours":16.51911967408529,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:31","end":"17:31","startHours":16.51911967408529,"endHours":17.51911967408529,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:31","end":"18:31","startHours":17.51911967408529,"endHours":18.51911967408529,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:31","end":"19:31","startHours":18.51911967408529,"endHours":19.51911967408529,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:31","end":"20:31","startHours":19.51911967408529,"endHours":20.51911967408529,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:31","end":"21:31","startHours":20.51911967408529,"endHours":21.51911967408529,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:31","end":"22:31","startHours":21.51911967408529,"endHours":22.51911967408529,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:31","end":"23:31","startHours":22.51911967408529,"endHours":23.51911967408529,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:31","end":"00:31","startHours":23.51911967408529,"endHours":24.51911967408529,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:31","end":"01:31","startHours":24.51911967408529,"endHours":25.51911967408529,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:31","end":"02:31","startHours":25.51911967408529,"endHours":26.51911967408529,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:31","end":"03:31","startHours":26.51911967408529,"endHours":27.51911967408529,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:31","end":"04:31","startHours":27.51911967408529,"endHours":28.51911967408529,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:31","end":"05:31","startHours":28.51911967408529,"endHours":29.51911967408529,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:31","end":"06:31","startHours":29.51911967408529,"endHours":30.51911967408529,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.376355264721008,"eotMinutes":-13.393031555324574,"ayanamsa":23.8692}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Caturthī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Dedicated festival walk for Aṅgāraka Caturthī (Tuesday Caturthī) · Vināyaka Caturthī (monthly) is not live yet; Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vellore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 27, 2001 CE · Vellore, Tamil Nadu · Vidhyamitra","description":"February 27, 2001 CE for Vellore, Tamil Nadu: Śukla Caturthī, sūryodaya 06:31, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vellore/2001-02-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vellore/2001-02-27","sa":"https://sa.vidhyamitra.com/city/vellore/2001-02-27","hi":"https://hi.vidhyamitra.com/city/vellore/2001-02-27","x-default":"https://vidhyamitra.com/city/vellore/2001-02-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:37:45.343Z","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":"2026-09-06T07:37:45.343Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:37:45.343Z","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"}}}